2625132440431 has 4 divisors (see below), whose sum is σ = 2625291046512. Its totient is φ = 2624973834352.

The previous prime is 2625132440383. The next prime is 2625132440509. The reversal of 2625132440431 is 1340442315262.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2625132440431 - 2³³ = 2616542505839 is a prime.

It is a super-2 number, since 2×2625132440431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625132440731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79278211 + ... + 79311316.

It is an arithmetic number, because the mean of its divisors is an integer number (656322761628).

Almost surely, 2^{2625132440431} is an apocalyptic number.

2625132440431 is a deficient number, since it is larger than the sum of its proper divisors (158606081).

2625132440431 is a wasteful number, since it uses less digits than its factorization.

2625132440431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158606080.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 2625132440431 its reverse (1340442315262), we get a palindrome (3965574755693).

The spelling of 2625132440431 in words is "two trillion, six hundred twenty-five billion, one hundred thirty-two million, four hundred forty thousand, four hundred thirty-one".